133521200342 has 8 divisors (see below), whose sum is σ = 204939516936. Its totient is φ = 65208028032.

The previous prime is 133521200333. The next prime is 133521200399. The reversal of 133521200342 is 243002125331.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 776285963 + ... + 776286134.

It is an arithmetic number, because the mean of its divisors is an integer number (25617439617).

Almost surely, 2^133521200342 is an apocalyptic number.

133521200342 is a deficient number, since it is larger than the sum of its proper divisors (71418316594).

133521200342 is a wasteful number, since it uses less digits than its factorization.

133521200342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1552572142.

The product of its (nonzero) digits is 4320, while the sum is 26.

Adding to 133521200342 its reverse (243002125331), we get a palindrome (376523325673).

The spelling of 133521200342 in words is "one hundred thirty-three billion, five hundred twenty-one million, two hundred thousand, three hundred forty-two".